package com.example.activity_service.service;

import com.example.activity_service.vo.Signin;

import java.util.Date;
import java.util.List;

public interface Signinservice {

    List<Signin> query();
    int delete(int id);
    void add(int userid, Date datemonth, int mask, int continuesignmonth);
    int amend(int id, int userid, Date datemonth, int mask, int continuesignmonth);




}
